code: def items_per_seconds_fmt(value):
      if value < 1000:
          return "{} items/sec".format(value)
      if value < 1000**2:
          return "{:.3f}K items/sec".format(value / 1000)
      if value < 1000**3:
          return "{:.3f}M items/sec".format(value / 1000**2)
      else:
          return "{:.3f}G items/sec".format(value / 1000**3)
  
file_path: arrow/dev/archery/archery/benchmark/compare.py
label_desc: Use image node_id 1 for calling a global function with example usage: items_per_seconds_fmt(value) and returns: str, str, str, str